What is the wavelength of a 220 Hz sound wave in air (assume velocity of sound is 340 m/s)? (nearest hundreth)
Question 20
20.
If you double the frequency, what will its new wavelength be? (nearest hundreth)
Question 21
21.
The length of the string in the picture above is 6 meters.
What is the wavelength of the standing wave on the string? (nearest whole number)
Question 22
22.
The length of the string in the picture above is 6 meters.
What is the harmonic of the standing wave on the string?
Question 23
23.
The length of the string in the picture above is 6 meters.
What is the frequency of the standing wave if the velocity of the wave is 21 m/s? (nearest hundreth)
Question 24
24.
Question 25
25.
A pendulum with a bob of mass 58g is hung from the ceiling on Earth so that is hovers just above the ground. When the pendulum is lifted to its max height it makes an angle with the vertical of 15o and when let go it has a frequency of 8.7 Hz.
What is the length of the pendulum? (nearest thousandth)
Question 26
26.
A pendulum with a bob of mass 58g is hung from the ceiling on Earth so that is hovers just above the ground. When the pendulum is lifted to its max height it makes an angle with the vertical of 15o and when let go it has a frequency of 8.7 Hz.
What is the height of the pendulum at its maximum displacement? (nearest hundred thousandth)
Question 27
27.
A pendulum with a bob of mass 58g is hung from the ceiling on Earth so that is hovers just above the ground. When the pendulum is lifted to its max height it makes an angle with the vertical of 15o and when let go it has a frequency of 8.7 Hz.
What is the maximum speed of the pendulum? (nearest thousandth)
The time needed for a wave to make one complete cycle is its ____________.
Amplitude
Velocity
Period
Frequency
Wavelength
Given the wave shown above, which point corresponds to a wave trough
B
C
A
Which point corresponds to a wave crest?
C
B
D
A
Which letter best represents the amplitude of the waves?
C
B
A
D
Which letter best represents the wavelength of the waves?
D
C
B
A
The waves shown on the graph are
Longitudinal waves
Standing waves
Transverse waves
Doppler waves
A bug is treading water in a pond. The bug is creating 120 waves per minute.
What is the frequency of the waves the bug is generating?
0.5 waves per minute
0.5 Hz
2 waves per minute
2 Hz
A bug is treading water in a pond. The bug is creating 120 waves per minute.
What is the period of the waves generated by the bug?
0.5 minutes
2 seconds
2 minutes
0.5 seconds by
A bug is treading water in a pond. The bug is creating 120 waves per minute.
If the distance between two adjacent wave crests is 0.2 meters, what is the speed of the water waves?
0.4 m/s
10 m/s
0.1 m/s
4 m/s
In a transverse wave, the medium of the material through which the wave travels vibrates _______ to the motion of the wave itself.
Cannot be determined.
Opposite
Perpendicular
Parallel
1. Examples of mechanical waves include
I. Stadium (human) waves
II. Slinky waves
III. Electromagnetic waves
IV. Sound waves
All are examples
I and II only
I, II and IV only
I, II and III only
When two or more waves occupy the same place at the same time, the resulting effect is called
A standing wave.
A shock wave.
An interference pattern.
A period
A Doppler wave
Where can you touch a standing wave on a rope without disturbing the wave pattern?
At a node
At an antinode
At any place along the wave
The standing wave shown above was created on a string where L = 10 meters long.
Which harmonic is shown above?
First
Fifth
Second
Third
Fourth
The standing wave shown above was created on a string where L = 10 meters long.
What is the wavelength of a wave on the string above?
4 meters
2 meters
1 meter
20 meters
10 meters
The standing wave shown above was created on a string where L = 10 meters long.
If the wave speed on the string is 20 meters/second, what is the frequency that created the standing wave?
10 Hz
20 Hz
1 Hz
5 Hz
2 Hz
If you double the frequency of a sound wave in air, its wavelength
Halves
Doubles
Quadruples
Stays the Same
At which position will an observer of sound hear a higher frequency of sound wave generated by the moving car?
A
Both will hear the same frequency.
B
A pendulum with a bob of mass 58g is hung from the ceiling on Earth so that is hovers just above the ground. When the pendulum is lifted to its max height it makes an angle with the vertical of 15o and when let go it has a frequency of 8.7 Hz.
What is equation to find the frequency of the pendulum?